About code

Asked by Apr 14, 2017 at 08:33 PM about the 1995 Buick Roadmaster Limited Sedan RWD

Question type: Maintenance & Repair

P1870 code means

2 Answers

Whats does the code p1870 means

79,025

P1870 BUICK - Transmission Component Slipping...Possible causes; Trailer towing may set code, Check transmission fluid level, Internal transmission fault...Possible symptoms; Engine Light ON (or Service Engine Soon Warning Light). P1870 BUICK Description; With the engine speed over 500 rpm for 5 seconds, Fuel Shutoff inactive, throttle angle from 8.5-35%, Transaxle not in First gear, Transaxle gear range is D4, Transmission Fluid Temperature (TFT) Sensor input 68-266°F, engine torque from 50-200 ft-lbs, engine vacuum 0-105 kPa, Torque Converter Clutch (TCC) commanded on and at Max apply for over 5 seconds, the Powertrain Control Module (PCM) detects a TCC slip speed of over 200 rpm for over 5 seconds, all conditions met for 3 times with TCC commanded off each time in between cycles.

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